Varun Thacker created SOLR-12291:
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Summary: OverseerCollectionMessageHandler sliceCmd assumes only
one replica exists on each node
Key: SOLR-12291
URL: https://issues.apache.org/jira/browse/SOLR-12291
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Varun Thacker
The OverseerCollectionMessageHandler sliceCmd assumes only one replica exists
on one node
When multiple replicas of a slice are on the same node we only track one
replica's async request. This happens because the async requestMap's key is
"node_name"
I discovered this when [~alabax] shared some logs of a restore issue, where the
second replica got added before the first replica had completed it's
restorecore action.
While looking at the logs I noticed that the overseer never called
REQUESTSTATUS for the restorecore action , almost as if it had missed tracking
that particular async request.
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